| ROWLAND, John Philip ACTIVE | Secretary | 14 Jun 2021 | | | | 2, Imperial Place, Maxwell Road, Borehamwood, Hertfordshire, WD6 1JN, United Kingdom |
| O'CONNOR, Joe ACTIVE | Director | 12 Jan 2026 | | United Kingdom | November 1978 | 2, Imperial Place, Maxwell Road, Borehamwood, Hertfordshire, WD6 1JN, United Kingdom |
| THOMAS, Zsara ACTIVE | Director | 31 Jul 2026 | | United Kingdom | March 1970 | 2, Imperial Place, Maxwell Road, Borehamwood, Hertfordshire, WD6 1JN, United Kingdom |
| BISS, Alan Raymond RESIGNED | Secretary | 18 Apr 1999 | 01 Oct 2000 | | | 5 Insole Close, Llandaff, Cardiff, South Glamorgan, CF5 2HQ |
| HALL, David James RESIGNED | Secretary | 14 Apr 2011 | 30 Nov 2016 | | | Fifth Floor, 80 Hammersmith Road, London, W14 8UD, England |
| HARRISON, Irene Lesley RESIGNED | Nominee Secretary | 14 Nov 1994 | 14 Dec 1994 | | | Fy Mwthin, 22 Merthyr Road Tongwynlais, Cardiff, South Glamorgan, CF15 7LH |
| JONES, Alan Philip RESIGNED | Secretary | 27 Aug 2002 | 10 Apr 2003 | | | 44 Penmaen Close, Hengoed, Mid Glamorgan, CF82 7JD |
| LIVINGSTON, Sarah Juliette RESIGNED | Secretary | 01 Dec 2016 | 14 Jun 2021 | | | 2, Imperial Place, Maxwell Road, Borehamwood, WD6 1JN, England |
| MATHIAS, Clive Stanley RESIGNED | Secretary | 14 Dec 1994 | 18 Apr 1999 | | | 1 The Mews, St Nicholas Road, Barry, Vale Of Glamorgan, CF62 6QX |
| MORRISON, Scott RESIGNED | Secretary | 18 Feb 2009 | 14 Apr 2011 | | | 24 Gaveston Road, Leamington Spa, Warwickshire, CV32 6EU |
| THOMAS, Rupert John RESIGNED | Secretary | 10 Apr 2003 | 07 May 2003 | | | 62 Newport Road, Cardiff, CF24 0DF |
| WHEATER, Richard Feather RESIGNED | Secretary | 01 Oct 2000 | 27 Aug 2002 | | | 25 Caynham Avenue, Penarth, Cardiff, South Glamorgan, CF64 5RR |
| BLG (PROFESSIONAL SERVICES) LIMITED RESIGNED | Secretary | 07 May 2003 | 18 Feb 2009 | | | 7th Floor Beaufort House, 15 St Botolph Street, London, EC3A 7NJ |
| BALL, Julian Charles RESIGNED | Director | 30 Sep 2009 | 14 Apr 2011 | England | May 1964 | 14, Mill Fleam, Hilton, Derby, Derbyshire, DE65 5HE |
| BROWNER, Keith James Anthony RESIGNED | Director | 01 May 2019 | 31 May 2023 | United Kingdom | November 1978 | 2, Imperial Place, Maxwell Road, Borehamwood, Hertfordshire, WD6 1JN, United Kingdom |
| BUTLER, Geraldine RESIGNED | Director | 17 Jun 2002 | 29 Jan 2003 | | March 1963 | 10 Tyn Y Coed Cae, Waterloo, Mid Glamorgan |
| CAMERON, Charles Donald Ewen RESIGNED | Director | 15 Mar 2006 | 20 Feb 2009 | England | March 1956 | Orchard Manor, Church Lane Martin Hussingtree, Worcester, Worcestershire, WR3 8TQ |
| CAMERON, Christine Isabel RESIGNED | Director | 16 Jun 2009 | 14 Apr 2011 | England | June 1972 | 10 Mount Crescent, Hereford, HR1 NQ1 |
| CAMERON, Christine Isabel RESIGNED | Director | 21 Dec 2005 | 30 Jun 2006 | | June 1972 | Aulunar Lock Road, Withington, Hereford, Herefordshire, HR1 3QE |
| CHAMBERLAIN, Lesley Joy RESIGNED | Director | 01 Dec 2016 | 24 Feb 2025 | United Kingdom | October 1963 | 2, Imperial Place, Maxwell Road, Borehamwood, WD6 1JN, England |
| EVANS, Gareth Robert William RESIGNED | Director | 26 Sep 2001 | 10 May 2002 | | January 1947 | The Elizabethan Suite, Westwood House Westwood Park, Droitwich, West Midlands, WR9 0AD |
| FRANZIDIS, Matthew RESIGNED | Director | 14 Apr 2011 | 07 Jan 2015 | England | September 1959 | Fifth Floor, 80 Hammersmith Road, London, W14 8UD, England |
| GENTRY, Malcolm RESIGNED | Director | 18 Dec 1994 | 08 May 1996 | | November 1951 | Mayfield, Crawhall, Brampton, Cumbria, CA8 1TL |
| HAINES, Ellen RESIGNED | Director | 07 May 2003 | 31 Jul 2004 | | August 1963 | 8 Jackdaw Lane, Droitwich, Worcestershire, WR9 7HE |
| HALL, Karen RESIGNED | Director | 08 Feb 2005 | 18 Nov 2005 | | August 1962 | Far Cottage, Penoyre, Brecon, Powys, LD3 9LP |
| HAQUE, Quazi Shams Mahfooz, Dr RESIGNED | Director | 01 Dec 2016 | 31 Dec 2025 | England | December 1968 | 2, Imperial Place, Maxwell Road, Borehamwood, WD6 1JN, England |
| JONES, William Allan RESIGNED | Director | 29 Dec 1994 | 07 May 2003 | | March 1946 | 334 Block C, Edifici Anyos Park, La Massana, Andorra |
| KEATING, Denise Elizabeth RESIGNED | Director | 06 Mar 2006 | 28 Sep 2007 | England | May 1956 | 62 Church Street, Cogenhoe, Northampton, Northamptonshire, NN7 1LS |
| KIRBY, Amanda, Dr RESIGNED | Director | 02 Jan 2002 | 16 Sep 2002 | | January 1959 | 7 Mill Road, Lisvane, Cardiff, CF14 0XA |
| LIVINGSTON, Sarah Juliette RESIGNED | Director | 14 Jun 2021 | 08 Feb 2022 | England | November 1978 | 2, Imperial Place, Maxwell Road, Borehamwood, Hertfordshire, WD6 1JN, United Kingdom |
| LOCK, Jason David RESIGNED | Director | 14 Apr 2011 | 01 Apr 2015 | England | August 1972 | Fifth Floor, 80 Hammersmith Road, London, W14 8UD, England |
| LOVELL, Christine RESIGNED | Director | 01 Aug 1998 | 07 May 2003 | United Kingdom | November 1949 | Waterford House, Llancarfan, Barry, Vale Of Glamorgan, CF62 3AD |
| MANSON, David Lindsay RESIGNED | Director | 01 Nov 2007 | 30 Apr 2011 | England | February 1969 | 111 Lodge Road, Knowle, Solihull, West Midlands, B93 0HG |
| MCCREADY, Colin Bruce RESIGNED | Director | 27 Jul 2023 | 31 Jul 2026 | United Kingdom | November 1975 | 2, Imperial Place, Maxwell Road, Borehamwood, Hertfordshire, WD6 1JN, United Kingdom |
| MORAN, Mark RESIGNED | Director | 01 Apr 2015 | 01 Mar 2016 | United Kingdom | April 1960 | Fifth Floor, 80 Hammersmith Road, London, W14 8UD |
| MURPHY, Kathryn Mary RESIGNED | Director | 15 Sep 2020 | 01 Oct 2024 | United Kingdom | January 1963 | 2, Imperial Place, Maxwell Road, Borehamwood, Hertfordshire, WD6 1JN, United Kingdom |
| MURRAY, Andrew John RESIGNED | Director | 23 May 2005 | 31 Dec 2005 | | April 1968 | 10 Rosgill Drive, Middleton, Manchester, Lancashire, M24 4SQ |
| POINTER, David Richard RESIGNED | Director | 01 Aug 2004 | 13 Apr 2005 | England | June 1951 | Cuckoo Cottage, Cuckoo Cage Lane Tatenhill, Burton On Trent, Staffordshire, DE13 9RX |
| RIALL, Tom RESIGNED | Director | 05 Apr 2013 | 30 Nov 2016 | England | April 1960 | Fifth Floor, 80 Hammersmith Road, London, W14 8UD, England |
| ROBSON, Mark RESIGNED | Director | 07 Aug 2017 | 30 Nov 2018 | United Kingdom | January 1963 | 2, Imperial Place, Maxwell Road, Borehamwood, WD6 1JN, England |
| SCOTT, Philip Henry RESIGNED | Director | 14 Apr 2011 | 28 Nov 2012 | England | January 1964 | 21, Exhibition House, Addison Bridge Place, London, W14 8XP, United Kingdom |
| SHAH, Sheetal RESIGNED | Director | 01 Oct 2024 | 31 Jul 2026 | United Kingdom | November 1978 | 2, Imperial Place, Maxwell Road, Borehamwood, Hertfordshire, WD6 1JN, United Kingdom |
| SMIT, Wynne Carol RESIGNED | Director | 01 Jul 2006 | 16 Oct 2006 | England | April 1954 | 506 Oundle Road, Orton Longueville, Peterborough, Cambridgeshire, PE2 7DJ |
| SMITH, Albert Edward RESIGNED | Director | 19 Apr 2004 | 14 Apr 2011 | England | May 1958 | Flint House, Froxfield, Marlborough, Wiltshire, SN8 3JY |
| SPURLING, Julian Neville Guy RESIGNED | Director | 06 Mar 2006 | 25 Oct 2010 | England | January 1959 | Foundry House, Kingsley, Hampshire, GU35 9LY |
| STRATFORD, Michael Anthony RESIGNED | Director | 07 May 2003 | 20 May 2004 | United Kingdom | February 1958 | 10 Anne Hathaway Drive, Churchdown, Gloucestershire, GL3 2PX |
| THOMAS, Anna, Dr RESIGNED | Director | 01 Jul 1999 | 07 May 2003 | United Kingdom | February 1952 | Gwaun Gledyr Uchaf, Old Nantgarw Rd, Nantgarw, Cardiff, CF15 7UN |
| THOMPSON, Christopher, Professor RESIGNED | Director | 26 Jul 2011 | 20 Jun 2013 | United Kingdom | September 1952 | 21, Exhibition House, Addison Bridge Place, London, W14 8XP, United Kingdom |
| WATKINS, Jane Helen RESIGNED | Director | 14 Dec 1994 | 07 May 2003 | United Kingdom | September 1961 | Trevarno 11 Ty Gwyn Road, Penylan, Cardiff, South Glamorgan, CF23 5JF |
| WHEATER, Richard Feather RESIGNED | Director | 01 Oct 2000 | 27 Aug 2002 | United Kingdom | June 1960 | 25 Caynham Avenue, Penarth, Cardiff, South Glamorgan, CF64 5RR |
| WOOLGAR, Steven John RESIGNED | Director | 01 Dec 2016 | 31 Mar 2021 | England | January 1955 | 2, Imperial Place, Maxwell Road, Borehamwood, WD6 1JN, England |
| BUSINESS INFORMATION RESEARCH & REPORTING LIMITED RESIGNED | Nominee Director | 14 Nov 1994 | 14 Dec 1994 | | | Crown House, 64 Whitchurch Road, Cardiff, CF14 3LX |